Zeiss-Ikon Nettar 517/16 lens mount_Adaptall so it may fit those

so it may fit those too

it's still a Holga lens

It's shoe mountable

It also has a discreet light meter which does not work at all (but at least it doesn't stick out)

Zeiss-Ikon Nettar 517/16 lens mount_Adaptall so it may fit thoseThe Zeiss Ikon 517 16 is a compact folding camera that shoots 6x6cm exposures on 120 rollfilm. It's equipped with a scale focusing 75mm f4. 5 Novar Anastigmat lens in a three speed Vario shutter. This Nettar is in excellent condition, with only very minor wear. Lens is clean, bellows are good, and the shutter works well. About as close to pocketable as medium format gets. Includes original leather case.